authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-11-13 22:28:50+01:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-11-13 22:28:50+01:00
log2b23f98d2c31ef1a8cbe67e8f37e3b2aa2387ed3
tree6e601e7167c3fed6e0ac9776b26c223bfd2f3f38
parent181b25ce4fcebc32f6fdc7498148c0f5e131dda9
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

std.Target: add CPU features and models for alpha

3 files changed, 181 insertions(+), 1 deletions(-)

lib/std/Target.zig+3-1
......@@ -700,7 +700,7 @@ pub const Os = struct {
700700};
701701
702702pub const aarch64 = @import("Target/aarch64.zig");
703pub const alpha = @import("Target/generic.zig");
703pub const alpha = @import("Target/alpha.zig");
704704pub const amdgcn = @import("Target/amdgcn.zig");
705705pub const arc = @import("Target/arc.zig");
706706pub const arm = @import("Target/arm.zig");
......@@ -1944,6 +1944,7 @@ pub const Cpu = struct {
19441944 /// Clang compatibility is important, consider using `baseline` instead.
19451945 pub fn generic(arch: Arch) *const Model {
19461946 return switch (arch) {
1947 .alpha => &alpha.cpu.ev4,
19471948 .amdgcn => &amdgcn.cpu.gfx600,
19481949 .avr => &avr.cpu.avr1,
19491950 .kvx => &kvx.cpu.coolidge_v1,
......@@ -1976,6 +1977,7 @@ pub const Cpu = struct {
19761977 /// `Os.Tag.freestanding`.
19771978 pub fn baseline(arch: Arch, os: Os) *const Model {
19781979 return switch (arch) {
1980 .alpha => &alpha.cpu.ev6,
19791981 .amdgcn => &amdgcn.cpu.gfx906,
19801982 .arm => switch (os.tag) {
19811983 .@"3ds" => &arm.cpu.mpcore,
lib/std/Target/alpha.zig created+101
......@@ -0,0 +1,101 @@
1//! This file is auto-generated by tools/update_cpu_features.zig.
2
3const std = @import("../std.zig");
4const CpuFeature = std.Target.Cpu.Feature;
5const CpuModel = std.Target.Cpu.Model;
6
7pub const Feature = enum {
8 bwx,
9 cix,
10 fix,
11 max,
12};
13
14pub const featureSet = CpuFeature.FeatureSetFns(Feature).featureSet;
15pub const featureSetHas = CpuFeature.FeatureSetFns(Feature).featureSetHas;
16pub const featureSetHasAny = CpuFeature.FeatureSetFns(Feature).featureSetHasAny;
17pub const featureSetHasAll = CpuFeature.FeatureSetFns(Feature).featureSetHasAll;
18
19pub const all_features = blk: {
20 const len = @typeInfo(Feature).@"enum".fields.len;
21 std.debug.assert(len <= CpuFeature.Set.needed_bit_count);
22 var result: [len]CpuFeature = undefined;
23 result[@intFromEnum(Feature.bwx)] = .{
24 .llvm_name = null,
25 .description = "Enable byte/word extensions",
26 .dependencies = featureSet(&[_]Feature{}),
27 };
28 result[@intFromEnum(Feature.cix)] = .{
29 .llvm_name = null,
30 .description = "Enable counting extensions",
31 .dependencies = featureSet(&[_]Feature{}),
32 };
33 result[@intFromEnum(Feature.fix)] = .{
34 .llvm_name = null,
35 .description = "Enable floating point move and square root extensions",
36 .dependencies = featureSet(&[_]Feature{}),
37 };
38 result[@intFromEnum(Feature.max)] = .{
39 .llvm_name = null,
40 .description = "Enable motion video extensions",
41 .dependencies = featureSet(&[_]Feature{}),
42 };
43 const ti = @typeInfo(Feature);
44 for (&result, 0..) |*elem, i| {
45 elem.index = i;
46 elem.name = ti.@"enum".fields[i].name;
47 }
48 break :blk result;
49};
50
51pub const cpu = struct {
52 pub const ev4: CpuModel = .{
53 .name = "ev4",
54 .llvm_name = null,
55 .features = featureSet(&[_]Feature{}),
56 };
57 pub const ev45: CpuModel = .{
58 .name = "ev45",
59 .llvm_name = null,
60 .features = featureSet(&[_]Feature{}),
61 };
62 pub const ev5: CpuModel = .{
63 .name = "ev5",
64 .llvm_name = null,
65 .features = featureSet(&[_]Feature{}),
66 };
67 pub const ev56: CpuModel = .{
68 .name = "ev56",
69 .llvm_name = null,
70 .features = featureSet(&[_]Feature{
71 .bwx,
72 }),
73 };
74 pub const ev6: CpuModel = .{
75 .name = "ev6",
76 .llvm_name = null,
77 .features = featureSet(&[_]Feature{
78 .bwx,
79 .fix,
80 .max,
81 }),
82 };
83 pub const ev67: CpuModel = .{
84 .name = "ev67",
85 .llvm_name = null,
86 .features = featureSet(&[_]Feature{
87 .bwx,
88 .cix,
89 .fix,
90 .max,
91 }),
92 };
93 pub const pca56: CpuModel = .{
94 .name = "pca56",
95 .llvm_name = null,
96 .features = featureSet(&[_]Feature{
97 .bwx,
98 .max,
99 }),
100 };
101};
tools/update_cpu_features.zig+77
......@@ -393,6 +393,83 @@ const targets = [_]ArchTarget{
393393 "apple-latest",
394394 },
395395 },
396 .{
397 .zig_name = "alpha",
398 .llvm = null,
399 .extra_features = &.{
400 .{
401 .zig_name = "bwx",
402 .desc = "Enable byte/word extensions",
403 .deps = &.{},
404 },
405 .{
406 .zig_name = "cix",
407 .desc = "Enable counting extensions",
408 .deps = &.{},
409 },
410 .{
411 .zig_name = "fix",
412 .desc = "Enable floating point move and square root extensions",
413 .deps = &.{},
414 },
415 .{
416 .zig_name = "max",
417 .desc = "Enable motion video extensions",
418 .deps = &.{},
419 },
420 },
421 .extra_cpus = &.{
422 .{
423 .llvm_name = null,
424 .zig_name = "ev4",
425 .features = &.{},
426 },
427 .{
428 .llvm_name = null,
429 .zig_name = "ev45",
430 .features = &.{},
431 },
432 .{
433 .llvm_name = null,
434 .zig_name = "ev5",
435 .features = &.{},
436 },
437 .{
438 .llvm_name = null,
439 .zig_name = "ev56",
440 .features = &.{
441 "bwx",
442 },
443 },
444 .{
445 .llvm_name = null,
446 .zig_name = "pca56",
447 .features = &.{
448 "bwx",
449 "max",
450 },
451 },
452 .{
453 .llvm_name = null,
454 .zig_name = "ev6",
455 .features = &.{
456 "bwx",
457 "fix",
458 "max",
459 },
460 },
461 .{
462 .llvm_name = null,
463 .zig_name = "ev67",
464 .features = &.{
465 "bwx",
466 "cix",
467 "fix",
468 "max",
469 },
470 },
471 },
472 },
396473 .{
397474 .zig_name = "amdgcn",
398475 .llvm = .{